CH572D
RISC-V MCU with Integrated 2.4G Wireless CommunicationThe CH572D is a risc-v mcu with integrated 2.4g wireless communication from WCH. View the full CH572D datasheet below including key specifications, pinout.
CH572D shares its datasheet with CH572, whose page lists every part number it covers.
Official CH572D datasheet (PDF) — the source this page was extracted from.
CH572D Key Specifications
| Parameter | Value |
|---|---|
| Core | Qingke 32-bit RISC-V3C Core |
| Gpio Pins | 12 |
| Sram Memory | 12KB |
| Flash Memory | 256KB |
| Usb Standard | Full-Speed USB 2.0 |
| I2c Interfaces | 1 |
| Spi Interfaces | 1 |
| Uart Interfaces | 1 |
| Halt Mode Current | 420μA to 1.3mA |
| Idle Mode Current | 1.7mA |
| Rf Transmit Power | +7.5dBm |
| Wireless Standard | 2.4GHz, Bluetooth Low Energy 5.0 |
| Max Core Frequency | 100MHz |
| Sleep Mode Current | 0.46μA to 1.2μA |
| Bluetooth Data Rate | 1Mbps, 2Mbps |
| Supply Voltage Range | 2.0V to 3.6V or 4.5V to 5.3V |
| Shutdown Mode Current | 0.3μA to 0.9μA |
| Key Detection Channels | 20 |
| Rf Receive Sensitivity | -95dBm |
CH572D Overview
Part: CH572 — WCH (WCH.CN)
Type: RISC-V MCU with Integrated 2.4G Wireless Communication
Description: The CH572 is a RISC-V MCU microcontroller with integrated 2.4G wireless communication, featuring a 2Mbps low-power Bluetooth BLE 5.0 module, USB Full-Speed controller, and rich peripheral resources, suitable for low pin count 2.4G and simple Bluetooth applications.
Operating Conditions:
- Supply voltage: 2.0–3.6V or 4.5–5.3V (model dependent)
Absolute Maximum Ratings:
Key Specs:
- Core: Qingke 32-bit RISC-V3C Core
- Max system clock frequency: 100MHz
- FlashROM: 256KB (240KB User CodeFlash, 8KB BootLoader, 8KB InfoFlash)
- SRAM: 12KB (Sleep retention storage)
- Bluetooth BLE: Complies with Bluetooth Low Energy 5.0, supports 2Mbps and 1Mbps
- RF Receive sensitivity: -95dBm
- RF Transmit power: Programmable +7.5dBm
- USB: Full/Low-speed Host and Device modes, 15 endpoints
- Low Power Modes: Sleep Mode 0.46μA
1.2μA, Shutdown Mode 0.3μA0.9μA
Features:
- Supports RV32IMBC instruction set and self-extended instructions
- Built-in 5V to 3.3V voltage regulator LDO5V
- AES-128 encryption/decryption, Chip Unique ID
- Real-time Clock RTC
- Key Detection Module: Supports 20 key detections
- Analog Voltage Comparator CMP: Built-in 16 levels of reference voltage
- Timers: 1x 26-bit timer, 1x 26-bit PWM, 5x 16-bit PWM
- Watchdog Timers: Independent and Window type
- Asynchronous Serial Port UART: 1 independent UART, compatible with 16C550
- Serial Peripheral Interface SPI: Supports Master and Slave modes
- Two-wire Serial Interface I2C: Supports Master and Slave modes
- General Purpose Input/Output Port GPIO: 12 GPIOs, 1 supports 5V input
- Single/Dual-wire Emulation Debug Interface
Applications:
- 2.4G wireless communication applications
- Simple Bluetooth applications
Package:
- QFN20
- DFN10X3
- TSSOP16
- SOP8
CH572D Features
- Compatible with 16C550 asynchronous serial port with enhancements.
- Supports 5, 6, 7, or 8 data bits and 1 or 2 stop bits.
- Supports odd, even, no parity, space 0, mark 1, and other parity methods.
- Programmable communication baud rate, up to 12.5Mbps.
- Built-in 8-byte FIFO (First-In, First-Out) buffer, supporting 4 FIFO trigger levels.
- Supports serial frame error detection, supports Break line interval detection.
- Supports full-duplex serial communication.
CH572D Pin Configuration
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | PA3 | I/O/A | PA3: 通用双向数字 I/O 引脚。CMP_PO: 比较器的输入正端。TXD: UART 串行数据输出。SCL_2: I2C 串行时钟引脚映射。SCK: SPI 的 SCK 引脚映射。PWM3: 脉宽调制输出通道3。RXD_1: UART 的 RXD 引脚映射。KEYSCAN1: 按键扫描输入1。 (alt: CMP_PO, TXD, SCL_2, SCK, PWM3, RXD_1, KEYSCAN1) |
| 2 | X0 | O/A | 高频振荡器 HSE 的反相输出端, 外接 32MHz 晶体的一端。 |
| 3 | XI | A | 高频振荡器 HSE 的输入端, 外接 32MHz 晶体的另一端。 |
| 4 | NC. | NC. | 空脚。 |
| 5 | ANT | A | RF 射频信号输入输出, 建议直连天线。 |
| 6 | VDD33 | P | 模拟电源输入, 需贴近引脚外接 2.2uF 并联 0.1uF 电容。如果是一单 3.3V 电源供电, 则 VDD33 引脚输入额定 3.3V 电源, V5 引脚悬空或与 VDD33 引脚短接。 |
| 7 | VIO33 | P | I/O 电源输入, 需要与 VDD33 引脚短接。 |
| 8 | V5 | P | 当单一 5V 电源供电时, V5 引脚输入额定 5V 电源, 为内部 LDO5V 供电, 由 LDO5V 在 VDD33 引脚产生 3.3V, 需贴近引脚外接 2.2uF 电容, 并需在 V5 与 VDD33 引脚之间串接额定 1.5KΩ 电阻。当单一 3.3V 电源供电时, V5 引脚悬空或与 VDD33 引脚短接。 |
| 9 | PA9 | I/0/5VT | PA9: 通用双向数字 I/O 引脚。SDA: I2C 串行数据引脚, 开漏输出和输入。TMR_3: 定时器的 TMR 引脚映射。RXD_5: UART 的 RXD 引脚映射。CAP_IN1_3: 定时器的捕获输入通道 1 的映射。CAP_IN2_2: 定时器的捕获输入通道 2 的映射。 (alt: SDA, TMR_3, RXD_5, CAP_IN1_3, CAP_IN2_2) |
| 10 | PA8 | I/O | PA8: 通用双向数字 I/O 引脚。TXD_5: UART 的 TXD 引脚映射。SCL: I2C 串行时钟引脚, 主机输出和输入/从机输入。PWM5: 脉宽调制输出通道 5。RST: 外部复位输入, 低电平有效, 内置上拉电阻。KEYSCAN2: 按键扫描输入 2。 (alt: TXD_5, SCL, PWM5, RST, KEYSCAN2) |
| 11 | PA0 | I/O/A | 通用双向数字 I/O 引脚。 (alt: UDM, SWDIO, TXD_3, SCL_1, RXD_2) |
| 12 | PA1 | I/O/A | 通用双向数字 I/O 引脚。 (alt: UDP, SWCLK, TXD_2, SDA_1, RXD_3) |
| 13 | PA4 | I/O | 通用双向数字 I/O 引脚。 (alt: X25MO, PWM4, TMR_2, SCS, CAP_IN1_2, CAP_IN2_3) |
| 14 | PA5 | I/O | 通用双向数字 I/O 引脚。 (alt: SCL_3, SCK) |
| 15 | PA6 | I/O | 通用双向数字 I/O 引脚。 (alt: SDA_3, MISO, RXD_4) |
| 16 | PA7 | I/O/A | 通用双向数字 I/O 引脚。 (alt: CMP_P1, TXD_4, MOSI, PWM1, TMR, RST, CAP_IN1, CAP_IN2_1) |
| 17 | PA10 | I/O | 通用双向数字 I/O 引脚。 (alt: RXD_6, TXD_7, KEYSCAN3) |
| 18 | PA11 | I/O | 通用双向数字 I/O 引脚。 (alt: TXD_6, RXD_7, KEYSCAN4) |
| 19 | NC. | NC. | 空脚。 |
| 20 | PA2 | I/O/A | 通用双向数字 I/O 引脚。 (alt: CMP_N, TXD_1, SDA_2, PWM2, TMR_1, RXD, SCS_, KEYSCANO, CAP_IN1_1, CAP_IN2) |
CH572D Ordering Information
| Chip Model | Package Type |
|---|---|
| CH572D | |
| CH572Q | |
| CH572R | TSSOP16 |
| CH570D | QFN20 |
| CH570Q | DFN10X3 |
| CH570E | SOP8 |
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
Other Microcontrollers (MCU)
- STM32F407VET6 – STMicroelectronics, ARM Cortex-M4 MCU
- STM32H563ZIT6 – STMicroelectronics, Arm Cortex-M33 32-bit MCU
- RP2040 – Raspberry Pi, Microcontroller
- STM32H743VIT6 – STMicroelectronics, Microcontroller Unit (MCU)
- STM32U575RIT6 – STMicroelectronics, Ultra-low-power Arm Cortex-M33 32-bit MCU
- STM32L011F4U6 – STMicroelectronics, Ultra-low-power Arm Cortex-M0+ MCU
- GD32F103C8T6 – GigaDevice, Arm Cortex-M3 32-bit MCU
- CH32H417QEU6 – WCH, Dual-Core RISC-V Microcontroller
All Microcontrollers (MCU) datasheetsAll WCH datasheets (94)
Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.
Ask your AI agent about the CH572D
Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.
claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp
Then ask: "Can the CH572D run from my 12 V rail? Check it against the datasheet limits."
Create a free account $2 of usage every month, no card needed.